The presented paper deals with the determination of nitrates by capillary isotachophoresis. The determination was tested on vegetable samples bought in the shop and the market hall. High nitrates concentration in vegetable is mainly due to excessive nitrogen content in the soil system, thus deterio
✦ LIBER ✦
Determination of alphamethrine and cypermethrine in water and soil by capillary isotachophoresis
✍ Scribed by Václav Dombek; Zdeněk Stránský
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 363 KB
- Volume
- 256
- Category
- Article
- ISSN
- 0003-2670
No coin nor oath required. For personal study only.
✦ Synopsis
A method for the lsotachophoretx determmatlon of the pyrethrold msectzides alphamethrme and cypermethrme m water and soil IS described After extra&on of the msectlcldes from the samples and evaporation of solvents, alkaline hydrolysis (pH = 12, 50 o C) was apphed The degradation products, crs-and trans-dxhlorochrysanthemlc acids, were identified and determmed by capdlaIy lsotachophoresis
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